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Finding the Fourth Proportional to 39,957, 59,938.38 and 15,333

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Solution

The fourth proportional to 39,957, 59,938.38 and 15,333 is: 23,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957 : 59,938.38 = 15,333 : x
  2. Step 2: Convert to fraction form
    39,957/59,938.38 = 15,333/x
  3. Step 3: Cross multiply
    39,957x = 59,938.38 × 15,333
  4. Step 4: Simplify right side
    39,957x = 919,035,180.54
  5. Step 5: Solve for x
    x = 919,035,180.54/39,957
  6. Step 6: Final answer
    x = 23,000.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.